gma skl: Add DDI buffer translations

Change-Id: Ibb058de78f671b94ee788f30342184a8c31a1154
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20167
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/common/skylake/Makefile.inc b/common/skylake/Makefile.inc
index c59ab8e..cf720bf 100644
--- a/common/skylake/Makefile.inc
+++ b/common/skylake/Makefile.inc
@@ -1,3 +1,4 @@
+gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.adb
 gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.ads
 gfxinit-y += hw-gfx-gma-ddi_phy.ads
 gfxinit-y += hw-gfx-gma-plls-dpll.adb